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Table 1 Comorbidity and injury mechanism

From: Characteristics of traumatic brain injury patients with abnormal neuroimaging in Southeast Norway

  N (%)
2153 (100)
Male 1466 (68)
Preinjury status
 ASA 1. Healthy 975 (45)
 ASA2. Mild systemic disease 572 (27)
 ASA 3. Severe systemic disease 582 (27)
 ASA 4. Life-threatening systemic disease 24 (1)
 Living home – independent 1883 (88)
 Living home - with assistance 192 (9)
 Institutionalized 51 (2)
 Substance dependency 325 (15)
 Antiplatelet 322 (15)
 Anticoagulation 189 (9)
 Antiplatelet and anticoagulation 34 (1.5)
 Influenced by alcohol at time of injury 579 (27)
Trauma mechanism
 High-energy trauma (Yes) 812 (38)
 Falls 1187 (55)
 Motor vehicle crashes 205 (10)
 Bicycle 196 (9)
 Violence 154 (7)
 Sports (except bicycle) 114 (5)
 Pedestrian 88 (4)
 Self-harm 57 (3)
 Other/unknown 152 (7)